<I>Drosophila</I> (IMAGE) University of Veterinary Medicine -- Vienna Caption Preparing to jump is family business and host specific for transposons in Drosophila. Credit Martin Kapun Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.